CN212133959U

CN212133959U - Liquid pressure gauge for physics experiments

Info

Publication number: CN212133959U
Application number: CN201922040443.4U
Authority: CN
Inventors: 赵辰颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-12-11
Anticipated expiration: 2029-11-23

Abstract

The utility model discloses a liquid pressure gauge for physical experiments, which comprises a pressure gauge main body, a supporting mechanism and a fixing mechanism, wherein the supporting mechanism is arranged at the top end of the pressure gauge main body, the supporting mechanism comprises a supporting frame, the front surface of the top end of the supporting frame is provided with a rotary drum, both ends of the rotary drum are fixedly connected with a rotary wheel, the front surface of the rotary wheel at the front end of the rotary drum is provided with a torsional spring, one end of the torsional spring is fixedly connected with a fixed column, and one end of the torsional spring is fixedly connected with the rotary wheel through the fixed column; through having designed support frame, turning block, bevel gear B, rotary drum and the torsional spring of installing on the manometer main part top and being convenient for carry out accurate measurement to the device to improve the device measuring degree of accuracy, utilize the support frame to support the rubber tube, the support frame can go up and down simultaneously, has avoided needing to hold the rubber tube and has measured, produces when measuring in order to prevent to shake hands the rubber tube and rock, has alleviateed staff's burden simultaneously.

Description

Liquid pressure gauge for physics experiments

Technical Field

The utility model belongs to the technical field of the manometer, concretely relates to liquid pressure gauge for physics experiments.

Background

The pressure gauge is a physical instrument which adopts a U-shaped pipe structure, is internally filled with water or mercury and measures the pressure of liquid and gas by applying the Pascal principle, and the pressure inside the liquid can be obtained from a graduated scale.

Through retrieval, the liquid pressure gauge provided by the utility model of the Chinese patent CN2496004Y avoids the influence of the distortion of the hose on the measurement precision; scales can be engraved on the rigid support rod, and the depth of the pressure cell can be directly read; adjustment handle passes through the direction that the pressure cell was adjusted to the cable, however the liquid pressure gage for the physics experiments is in the use, owing to need hold the rubber tube and use, nevertheless hold the rubber tube and can produce certain rocking to lead to the inaccurate problem of measured data, we propose a liquid pressure gage for the physics experiments for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a liquid pressure gauge for physics experiments to solve the liquid pressure gauge for physics experiments that proposes in the above-mentioned background art in the use, owing to need hold the rubber tube and use, nevertheless hold the rubber tube and can produce certain rocking, thereby lead to the not accurate problem of measured data.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid pressure gauge for physical experiments comprises a pressure gauge main body, a supporting mechanism and a fixing mechanism, wherein the supporting mechanism is arranged at the top end of the pressure gauge main body, the supporting mechanism comprises a supporting frame, a rotary drum is arranged on the front surface of the top end of the supporting frame, rotating wheels are fixedly connected to two ends of the rotary drum, a torsional spring is arranged on the front surface of the rotating wheel at the front end of the rotary drum, a fixed column is fixedly connected to one end of the torsional spring, one end of the torsional spring is fixedly connected with the rotating wheels through the fixed column, a ball screw is arranged inside the bottom end of the supporting frame, a limiting block is fixedly connected to the top end of the ball screw, a lantern ring is arranged at the bottom end of the outer surface of the ball screw, a bevel gear B is fixedly connected to the bottom end of the ball screw, a bevel gear A, the other end of the rotating shaft is fixedly connected with a rotating block.

Preferably, the front surface of the pressure gauge main part is provided with a U-shaped pipe, the bottom fixedly connected with base of the pressure gauge main part, one end of the U-shaped pipe is provided with a rubber pipe, the other end of the rubber pipe is provided with a measuring probe, and one end of the rubber pipe is fixedly connected with the support frame.

Preferably, fixed establishment is in the bottom of base, fixed establishment includes the spliced pole, the bottom fixedly connected with sucking disc of spliced pole, just the surface of spliced pole is provided with spacing spring, the surface of sucking disc is provided with the protective sheath.

Preferably, one end of the rubber tube penetrates through the rotary drum, and one end of the rubber tube is fixedly connected with the rotary drum.

Preferably, the cross section of the support frame is L-shaped, and the lower surface of the support frame is provided with a circular hole A.

Preferably, the section of the lantern ring is circular, and the lantern ring is movably connected with the ball screw.

Preferably, the protective sleeve is in a semi-hollow cylinder shape, and the upper surface of the protective sleeve is provided with a circular hole B.

Compared with the prior art, the utility model provides a liquid pressure gauge for physics experiments possesses following beneficial effect:

1. through having designed support frame, turning block, bevel gear B, rotary drum and the torsional spring of installing on the manometer main part top and being convenient for carry out accurate measurement to the device to improve the device measuring degree of accuracy, utilize the support frame to support the rubber tube, the support frame can go up and down simultaneously, has avoided needing to hold the rubber tube and has measured, produces when measuring in order to prevent to shake hands the rubber tube and rock, has alleviateed staff's burden simultaneously.

2. Through having designed protective sheath, spliced pole, spacing spring and the sucking disc of installing in the manometer main part bottom and being convenient for fix the device, it is fixed with the desktop actuation to utilize the sucking disc, and the protective sheath has played the guard action to the sucking disc, prevents that the sucking disc from causing the damage to lead to fixing insecure after long-time the use, great improvement the device's stability.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partial front sectional structure of the pressure gauge main body of the present invention;

FIG. 3 is a schematic view of a side view of a part of the runner of the present invention;

FIG. 4 is a schematic view of a partial front view structure of the runner of the present invention;

FIG. 5 is a schematic view of a partial front cross-sectional structure of the support frame of the present invention;

fig. 6 is a schematic view of a partial front view cross-sectional structure of the protective sheath of the present invention.

In the figure: 1. a pressure gauge body; 2. a base; 3. a U-shaped pipe; 4. rotating the block; 5. a rubber tube; 6. a support frame; 7. a measuring probe; 8. a protective sleeve; 9. connecting columns; 10. a limiting spring; 11. a rotating shaft; 12. a bevel gear A; 13. a bevel gear B; 14. a rotating wheel; 15. a rotating drum; 16. a torsion spring; 17. fixing a column; 18. a limiting block; 19. a collar; 20. a ball screw; 21. A suction cup; 22. a circular hole A; 23. and a circular hole B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a liquid pressure gauge for physical experiments comprises a pressure gauge main body 1, a supporting mechanism and a fixing mechanism, wherein the supporting mechanism is located at the top end of the pressure gauge main body 1, the supporting mechanism comprises a supporting frame 6, a rotating drum 15 is arranged on the front surface of the top end of the supporting frame 6, rotating wheels 14 are fixedly connected to both ends of the rotating drum 15, a torsion spring 16 is arranged on the front surface of the rotating wheel 14 at the front end of the rotating drum 15, a fixing column 17 is fixedly connected to one end of the torsion spring 16, one end of the torsion spring 16 is fixedly connected to the rotating wheel 14 through the fixing column 17, a ball screw 20 is arranged inside the bottom end of the supporting frame 6, a limiting block 18 is fixedly connected to the top end of the ball screw 20, a lantern ring 19 is arranged at the bottom end of the outer surface of the ball screw 20, a bevel gear B13 is, one side fixedly connected with pivot 11 of bevel gear A12, the other end fixedly connected with turning block 4 of pivot 11 is convenient for carry out accurate measurement to the device.

Referring to fig. 1, in order to facilitate the use of the device, a U-shaped pipe 3 is disposed on the front surface of a pressure gauge main body 1, a base 2 is fixedly connected to the bottom end of the pressure gauge main body 1, a rubber pipe 5 is disposed at one end of the U-shaped pipe 3, a measuring probe 7 is disposed at the other end of the rubber pipe 5, and one end of the rubber pipe 5 is fixedly connected to a support frame 6.

Referring to fig. 6, in order to fix the device, the fixing mechanism is located at the bottom end of the base 2, the fixing mechanism includes a connecting column 9, a suction cup 21 is fixedly connected to the bottom end of the connecting column 9, a limiting spring 10 is disposed on the outer surface of the connecting column 9, and a protective sleeve 8 is disposed on the outer surface of the suction cup 21.

Referring to fig. 3, in order to facilitate rolling up the rubber tube 5, one end of the rubber tube 5 penetrates through the drum 15, and one end of the rubber tube 5 is fixedly connected to the drum 15.

Referring to fig. 2, in order to support the rubber tube 5, the cross-sectional shape of the supporting frame 6 is "L" shaped, and a circular hole a22 is formed on the lower surface of the supporting frame 6.

Referring to fig. 5, in order to move the supporting frame 6, the cross-section of the ring 19 is circular, and the ring 19 is movably connected to the ball screw 20.

Referring to fig. 6, in order to protect the suction cup 21, the protective sleeve 8 is shaped like a semi-hollow cylinder, and a circular hole B23 is formed on the upper surface of the protective sleeve 8.

The working principle is as follows: after the device is installed, the device is moved to a designated position, then the device can be normally used, a base 2 is pressed firstly, the base 2 drives a connecting column 9 to move downwards, the connecting column 9 drives a sucker 21 to contact the ground, so that attraction and fixation are performed, a protective sleeve 8 moves upwards under the action of a limiting spring 10, then a rotating block 4 is rotated, the rotating block 4 drives a bevel gear A12 to rotate under the action of a rotating shaft 11, the bevel gear A12 drives a bevel gear B13 to rotate, the bevel gear B13 drives a ball screw 20 to rotate, so that a supporting frame 6 is driven to ascend under the action of a lantern ring 19, a rubber pipe 5 is driven to extend while ascending, the rubber pipe 5 wound on a rotating drum 15 is slowly untied, the device can be used after being adjusted to a proper length, and a torsion spring 16 at the moment is in a tight state, after the use is completed, the turning block 4 is rotated in the opposite direction for original state is got back to the support frame 6, and the rotary drum 15 can be at the surface that makes the winding of rubber tube 5 at rotary drum 15 in the effect of torsional spring 16 to accomodate, then dial out sucking disc 21, drive protective sheath 8 downstream under limiting spring 10's effect, protective sheath 8 entangles sucking disc 21, thereby protects sucking disc 21.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid pressure gauge for physics experiments, includes pressure gauge main part (1), supporting mechanism and fixed establishment, its characterized in that: the supporting mechanism is positioned at the top end of the pressure gauge main body (1), the supporting mechanism comprises a supporting frame (6), a rotating drum (15) is arranged on the front surface of the top end of the supporting frame (6), rotating wheels (14) are fixedly connected to two ends of the rotating drum (15), a torsion spring (16) is arranged on the front surface of the rotating wheel (14) at the front end of the rotating drum (15), a fixed column (17) is fixedly connected to one end of the torsion spring (16), one end of the torsion spring (16) is fixedly connected with the rotating wheels (14) through the fixed column (17), a ball screw (20) is arranged inside the bottom end of the supporting frame (6), a limiting block (18) is fixedly connected to the top end of the ball screw (20), a sleeve ring (19) is arranged at the bottom end of the outer surface of the ball screw (20), and a bevel gear B (13) is, one side of the bevel gear B (13) is connected with a bevel gear A (12) in a meshing manner, one side of the bevel gear A (12) is fixedly connected with a rotating shaft (11), and the other end of the rotating shaft (11) is fixedly connected with a rotating block (4).

2. A liquid pressure gauge for physical experiments according to claim 1, wherein: the utility model discloses a pressure-meter measuring device, including manometer main part (1), bottom fixedly connected with base (2) of manometer main part (1), the front surface of manometer main part (1) is provided with U type pipe (3), just the bottom fixedly connected with base (2) of manometer main part (1), the one end of U type pipe (3) is provided with rubber tube (5), the other end of rubber tube (5) is provided with measuring probe (7), the one end fixed connection and support frame (6) of rubber tube (5).

3. A liquid pressure gauge for physical experiments according to claim 2, wherein: the fixing mechanism is located at the bottom end of the base (2), the fixing mechanism comprises a connecting column (9), a sucking disc (21) is fixedly connected to the bottom end of the connecting column (9), a limiting spring (10) is arranged on the outer surface of the connecting column (9), and a protective sleeve (8) is arranged on the outer surface of the sucking disc (21).

4. A liquid pressure gauge for physical experiments according to claim 2, wherein: one end of the rubber tube (5) penetrates through the rotary drum (15), and one end of the rubber tube (5) is fixedly connected with the rotary drum (15).

5. A liquid pressure gauge for physical experiments according to claim 1, wherein: the cross section of the support frame (6) is L-shaped, and a round hole A (22) is formed in the lower surface of the support frame (6).

6. A liquid pressure gauge for physical experiments according to claim 1, wherein: the section shape of the lantern ring (19) is circular ring, and the lantern ring (19) is movably connected with the ball screw (20).

7. A liquid pressure gauge for physical experiments according to claim 3, wherein: the shape of protective sheath (8) is half hollow cylinder, just circular hole B (23) have been seted up to protective sheath (8) upper surface.